21049409920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{22481}}^1$

素因数の和:22537

約数の個数: 256

約数和(自身を含む): 66043123200

約数和(自身を除く): 44993713280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 32, 35, 38, 40, 44, 55, 56, 64, 70, 76, 77, 80, 88, 95, 110, 112, 128, 133, 140, 152, 154, 160, 176, 190, 209, 220, 224, 266, 280, 304, 308, 320, 352, 380, 385, 418, 440, 448, 532, 560, 608, 616, 640, 665, 704, 760, 770, 836, 880, 896, 1045, 1064, 1120, 1216, 1232, 1330, 1408, 1463, 1520, 1540, 1672, 1760, 2090, 2128, 2240, 2432, 2464, 2660, 2926, 3040, 3080, 3344, 3520, 4180, 4256, 4480, 4928, 5320, 5852, 6080, 6160, 6688, 7040, 7315, 8360, 8512, 9856, 10640, 11704, 12160, 12320, 13376, 14630, 16720, 17024, 21280, 22481, 23408, 24640, 26752, 29260, 33440, 42560, 44962, 46816, 49280, 58520, 66880, 85120, 89924, 93632, 112405, 117040, 133760, 157367, 179848, 187264, 224810, 234080, 247291, 314734, 359696, 427139, 449620, 468160, 494582, 629468, 719392, 786835, 854278, 899240, 936320, 989164, 1236455, 1258936, 1438784, 1573670, 1708556, 1731037, 1798480, 1978328, 2135695, 2472910, 2517872, 2877568, 2989973, 3147340, 3417112, 3462074, 3596960, 3956656, 4271390, 4698529, 4945820, 5035744, 5979946, 6294680, 6834224, 6924148, 7193920, 7913312, 8542780, 8655185, 9397058, 9891640, 10071488, 11959892, 12589360, 13668448, 13848296, 14387840, 14949865, 15826624, 17085560, 17310370, 18794116, 19783280, 20142976, 23492645, 23919784, 25178720, 27336896, 27696592, 29899730, 31653248, 32889703, 34171120, 34620740, 37588232, 39566560, 46985290, 47839568, 50357440, 54673792, 55393184, 59799460, 65779406, 68342240, 69241480, 75176464, 79133120, 93970580, 95679136, 100714880, 110786368, 119598920, 131558812, 136684480, 138482960, 150352928, 158266240, 164448515, 187941160, 191358272, 221572736, 239197840, 263117624, 273368960, 276965920, 300705856, 328897030, 375882320, 382716544, 478395680, 526235248, 553931840, 601411712, 657794060, 751764640, 956791360, 1052470496, 1107863680, 1315588120, 1503529280, 1913582720, 2104940992, 2631176240, 3007058560, 4209881984, 5262352480, 10524704960, 21049409920]

約数ペア:

[(1, 21049409920), (2, 10524704960), (4, 5262352480), (5, 4209881984), (7, 3007058560), (8, 2631176240), (10, 2104940992), (11, 1913582720), (14, 1503529280), (16, 1315588120), (19, 1107863680), (20, 1052470496), (22, 956791360), (28, 751764640), (32, 657794060), (35, 601411712), (38, 553931840), (40, 526235248), (44, 478395680), (55, 382716544), (56, 375882320), (64, 328897030), (70, 300705856), (76, 276965920), (77, 273368960), (80, 263117624), (88, 239197840), (95, 221572736), (110, 191358272), (112, 187941160), (128, 164448515), (133, 158266240), (140, 150352928), (152, 138482960), (154, 136684480), (160, 131558812), (176, 119598920), (190, 110786368), (209, 100714880), (220, 95679136), (224, 93970580), (266, 79133120), (280, 75176464), (304, 69241480), (308, 68342240), (320, 65779406), (352, 59799460), (380, 55393184), (385, 54673792), (418, 50357440), (440, 47839568), (448, 46985290), (532, 39566560), (560, 37588232), (608, 34620740), (616, 34171120), (640, 32889703), (665, 31653248), (704, 29899730), (760, 27696592), (770, 27336896), (836, 25178720), (880, 23919784), (896, 23492645), (1045, 20142976), (1064, 19783280), (1120, 18794116), (1216, 17310370), (1232, 17085560), (1330, 15826624), (1408, 14949865), (1463, 14387840), (1520, 13848296), (1540, 13668448), (1672, 12589360), (1760, 11959892), (2090, 10071488), (2128, 9891640), (2240, 9397058), (2432, 8655185), (2464, 8542780), (2660, 7913312), (2926, 7193920), (3040, 6924148), (3080, 6834224), (3344, 6294680), (3520, 5979946), (4180, 5035744), (4256, 4945820), (4480, 4698529), (4928, 4271390), (5320, 3956656), (5852, 3596960), (6080, 3462074), (6160, 3417112), (6688, 3147340), (7040, 2989973), (7315, 2877568), (8360, 2517872), (8512, 2472910), (9856, 2135695), (10640, 1978328), (11704, 1798480), (12160, 1731037), (12320, 1708556), (13376, 1573670), (14630, 1438784), (16720, 1258936), (17024, 1236455), (21280, 989164), (22481, 936320), (23408, 899240), (24640, 854278), (26752, 786835), (29260, 719392), (33440, 629468), (42560, 494582), (44962, 468160), (46816, 449620), (49280, 427139), (58520, 359696), (66880, 314734), (85120, 247291), (89924, 234080), (93632, 224810), (112405, 187264), (117040, 179848), (133760, 157367)]